Home / 1,811,110.90-2,715,682.20-612,416.20

Finding the Fourth Proportional to 1,811,110.90, 2,715,682.20 and 612,416.20

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Solution

The fourth proportional to 1,811,110.90, 2,715,682.20 and 612,416.20 is: 918,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,110.90 : 2,715,682.20 = 612,416.20 : x
  2. Step 2: Convert to fraction form
    1,811,110.90/2,715,682.20 = 612,416.20/x
  3. Step 3: Cross multiply
    1,811,110.90x = 2,715,682.20 × 612,416.20
  4. Step 4: Simplify right side
    1,811,110.90x = 1,663,127,773,331.64
  5. Step 5: Solve for x
    x = 1,663,127,773,331.64/1,811,110.90
  6. Step 6: Final answer
    x = 918,291.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.